661895026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1\times {\mathrm{15901}}^1$

素因数の和:17517

約数の個数: 16

約数和(自身を含む): 1069950168

約数和(自身を除く): 408055142

約数列:

[1, 2, 13, 26, 1601, 3202, 15901, 20813, 31802, 41626, 206713, 413426, 25457501, 50915002, 330947513, 661895026]

約数ペア:

[(1, 661895026), (2, 330947513), (13, 50915002), (26, 25457501), (1601, 413426), (3202, 206713), (15901, 41626), (20813, 31802)]